.welcome {
    position: absolute;
    left:0;
    top:0;
    right:0;
    bottom:0;
    display: -webkit-box;
    -webkit-box-pack: center;
    -webkit-box-align: center;
    -webkit-box-orient: vertical;
    .body {
        font-family: "Helvetica Neue", Helvetica Neue, Helvetica, Arial, Lantinghei SC, Hiragino Sans GB, Microsoft Yahei, sans-serif;
    }
    .logo {
        text-align: center;
        padding:0 0 20px 0;
        height:100px;
        background-image:url("./images/ada.svg");
        background-position:center;
        background-repeat: no-repeat;
        background-size:contain;
    }
    .title {
        text-align: center;
        font-size: 18px;
        font-weight: 500;
        line-height:45px;
    }
    .desc {
        text-align: center;
        font-size:12px;
        line-height:30px;
        a{
            padding:0 5px 0 5px;
        }
    }
}